BEGIN_USGS_DOQ_HEADER
QUADRANGLE_NAME "HELENA"
QUADRANT SE
NORTH_LATITUDE   46 33 45.000
WEST_LONGITUDE -112 03 45.000
SOUTH_LATITUDE   46 30 00.000
EAST_LONGITUDE -112 00 00.000
PRODUCTION_DATE 1999 01 01
RASTER_ORDER LEFT_RIGHT/TOP_BOTTOM
BAND_ORGANIZATION "SINGLE FILE"
BAND_CONTENT BLACK&WHITE
BITS_PER_PIXEL 8
SAMPLES_AND_LINES 5580 7650
HORIZONTAL_DATUM NAD83
HORIZONTAL_COORDINATE_SYSTEM UTM
COORDINATE_ZONE 12
HORIZONTAL_UNITS METERS
HORIZONTAL_RESOLUTION 1.000
SECONDARY_HORIZONTAL_DATUM NAD27
XY_ORIGIN 418080.000 5157420.000
SECONDARY_XY_ORIGIN 418141.443 5157208.199
NATION US
STATE MT
NW_QUAD_CORNER_XY 418566.083 5157096.487
NE_QUAD_CORNER_XY 423356.286 5157033.876
SE_QUAD_CORNER_XY 423268.310 5150089.104
SW_QUAD_CORNER_XY 418472.607 5150151.722
SECONDARY_NW_QUAD_XY 418563.596 5156878.189
SECONDARY_NE_QUAD_XY 423353.946 5156815.576
SECONDARY_SE_QUAD_XY 423265.970 5149870.839
SECONDARY_SW_QUAD_XY 418470.121 5149933.459
RMSE_XY 3.510
IMAGE_SOURCE "BLACK AND WHITE FILM"
SOURCE_IMAGE_ID "NAPP 8388 36"
SOURCE_IMAGE_DATE 1995 08 09
SOURCE_DEM_DATE 1998 01 01
AGENCY "WESTERN MAPPING CENTER (WMC)"
PRODUCER "ANALYTICAL SURVEYS INC."
PRODUCTION_SYSTEM "ORBIT OR_RECTIFY V.5.2"
STANDARD_VERSION 1996 12
METADATA_DATE 1999 01 06
DATA_FILE_SIZE 42692580
BYTE_COUNT 5580